Seiko Cal. 4593 - 678

Seiko 4593-678

The Seiko 4593-678 represents an important milestone in Seiko's 1984 lineup. Powered by the 4593 caliber with 34j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-6e58ecd47e43]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
43mm
Case Thickness
12.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
White
Jewels
34j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1984

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